Sulfide (S), 1000µg/mL in Water, 3 x 20ml Back Catalog number: 54139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 5190-8352 Aluminum 10,000ug/ml, 100ml 94,66 € 5190-9408 PE ICV Std, 5pct HNO3/tr Tartic, 500ml 746,82 € 5190-8368 Calcium, 10,000ug/ml,100ml 94,66 €